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    <title>Document</title>
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    body {
        background-color: bisque;
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    iframe {
        color: aliceblue;
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<body>
    <iframe src="iframe01.html" width="200" height="200">默认200*200</iframe>
    <iframe src="iframe01.html" width="200" height="200" frameborder="0">默认200*200 移除边框</iframe>
    <iframe src="demo_iframe.htm" name="iframe_a"></iframe>
    <p><a href="http://www.runoob.com" target="iframe_a" rel="noopener">RUNOOB.COM</a></p>
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<script>
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